15880427621157 has 32 divisors (see below), whose sum is σ = 23851772006400. Its totient is φ = 9310969152000.

The previous prime is 15880427621147. The next prime is 15880427621209. The reversal of 15880427621157 is 75112672408851.

It is not a de Polignac number, because 15880427621157 - 2⁴⁰ = 14780915993381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15880427621097 and 15880427621106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15880427621147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 558594 + ... + 5663292.

It is an arithmetic number, because the mean of its divisors is an integer number (745367875200).

Almost surely, 2^{15880427621157} is an apocalyptic number.

It is an amenable number.

15880427621157 is a deficient number, since it is larger than the sum of its proper divisors (7971344385243).

15880427621157 is a wasteful number, since it uses less digits than its factorization.

15880427621157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107785.

The product of its (nonzero) digits is 7526400, while the sum is 57.

The spelling of 15880427621157 in words is "fifteen trillion, eight hundred eighty billion, four hundred twenty-seven million, six hundred twenty-one thousand, one hundred fifty-seven".